UPDATE: Read the comments before thinking this is real. 🙁
Breathe Underwater with this Triton Re-Breather.
Via OhGizmo
“Triton. A state-of-the-art oxygen respirator, that allows you to breathe underwater up to 45 minutes and at a maximum depth of 15ft by utilizing our ‘artificial gills’ technology. Swim among tropical fish, marvel at exotic coral and experience the serene beauty of marine life − without having to come up for air. ”